syndrome differentiation is a process where doctors analyze and summarize the relevant information gathered from the four diagnostic methods ( inspection, auscultation and olfaction, interrogation, and pulse feeling and palpation ), including all symptoms and signs, make judgment of the properties of the syndromes based on this information, and probe into the essence of the disease 辨證就是將四診(望、聞、問、切)所收集的有關(guān)疾病資料,包括各種癥狀、體征等,加以分析、綜合,判斷為某種性質(zhì)的“證候”,以探求疾病的本質(zhì)。